New port: net/gateway6 free IPv6 tunnel
From README:
TSP is a control protocol used to establish and maintain
static tunnels. The Gateway6 Client is used on the host
computer to connect to a tunnel broker using the TSP protocol
and to get the information for its tunnel. When it receives
the information for the tunnel, the Gateway6 client creates
the static tunnel on its operating system.
The Gateway6 Client code is mostly identical for all client
platforms. However, creating the static tunnel is operating
system dependent and is done by a script called by the
Gateway6 Client. These scripts are located under the template